Consider the vector field F(x,y)=⟨−y,x⟩\mathbf{F}(x,y) = \langle -y, x \rangleF(x,y)=⟨−y,x⟩. What is its divergence ∇⋅F\nabla \cdot \mathbf{F}∇⋅F?
0
2
-2
x−yx-yx−y